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Resilience in Vertical Supply Chains

Author

Listed:
  • Gene M. Grossman
  • Elhanan Helpman
  • Alejandro Sabal

Abstract

Forward-looking investments determine the resilience of firms' supply chains. Such investments confer externalities on other firms in the production network. We compare the equilibrium and optimal allocations in a general equilibrium model with an arbitrary number of vertical production tiers. Our model features endogenous investments in resilience, endogenous formation of supply links, and sequential bargaining over quantities and payments between firms in successive tiers. We derive policies that implement the first-best allocation, allowing for subsidies to input purchases, network formation, and investments in resilience. The first-best policies depend only on production function parameters of the pertinent tier. When subsidies to transactions are infeasible, the second-best subsidies for resilience and network formation depend on production function parameters throughout the network, and subsidies are larger upstream than downstream whenever the bargaining weights of buyers are non-increasing along the chain.

Suggested Citation

  • Gene M. Grossman & Elhanan Helpman & Alejandro Sabal, 2023. "Resilience in Vertical Supply Chains," NBER Working Papers 31739, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:31739
    Note: IO ITI PE
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    Cited by:

    1. Agostino Capponi & Chuan Du & Joseph E. Stiglitz, 2024. "Are Supply Networks Efficiently Resilient?," Finance and Economics Discussion Series 2024-031, Board of Governors of the Federal Reserve System (U.S.).
    2. Hadachek, Jeffrey & Ma, Meilin, 2024. "Risk Externalities in Vertical Supply Chains," 2024 Annual Meeting, July 28-30, New Orleans, LA 343748, Agricultural and Applied Economics Association.
    3. Ignacia Cuevas & Thomas Bourany & Gustavo González, 2024. "Supply Chain Uncertainty and Diversification," Working Papers Central Bank of Chile 1018, Central Bank of Chile.

    More about this item

    JEL classification:

    • D21 - Microeconomics - - Production and Organizations - - - Firm Behavior: Theory
    • D62 - Microeconomics - - Welfare Economics - - - Externalities

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